Restrict groups by state.

allianceauth/groupmanagement/migrations/0010_authgroup_states.py

@@ -0,0 +1,19 @@
+# Generated by Django 2.0.6 on 2018-07-11 00:17
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('authentication', '0016_ownershiprecord'),
+        ('groupmanagement', '0008_remove_authgroup_permissions'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='authgroup',
+            name='states',
+            field=models.ManyToManyField(blank=True, help_text='States listed here will have the ability to join this group provided they have the proper permissions.', related_name='valid_states', to='authentication.State'),
+        ),
+    ]